/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __MMU_H #define __MMU_H #include <linux/cpumask.h> #include <linux/errno.h> typedef struct { spinlock_t lock; cpumask_t cpu_attach_mask; atomic_t flush_count; unsigned int flush_mm; struct list_head pgtable_list; struct list_head gmap_list; unsigned long gmap_asce; unsigned long asce; unsigned long asce_limit; unsigned long vdso_base; /* The mmu context allocates 4K page tables. */ unsigned int alloc_pgste:1; /* The mmu context uses extended page tables. */ unsigned int has_pgste:1; /* The mmu context uses storage keys. */ unsigned int use_skey:1; /* The mmu context uses CMMA. */ unsigned int use_cmma:1; } mm_context_t; #define INIT_MM_CONTEXT(name) \ .context.lock = __SPIN_LOCK_UNLOCKED(name.context.lock), \ .context.pgtable_list = LIST_HEAD_INIT(name.context.pgtable_list), \ .context.gmap_list = LIST_HEAD_INIT(name.context.gmap_list),
static inline int tprot(unsigned long addr) { int rc = -EFAULT; asm volatile( " tprot 0(%1),0\n" "0: ipm %0\n" " srl %0,28\n" "1:\n" EX_TABLE(0b,1b) : "+d" (rc) : "a" (addr) : "cc"); return rc; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Howells | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Martin Schwidefsky | 54 | 46.15% | 12 | 57.14% |
| David Howells | 23 | 19.66% | 1 | 4.76% |
| Linus Torvalds (pre-git) | 13 | 11.11% | 1 | 4.76% |
| Heiko Carstens | 10 | 8.55% | 2 | 9.52% |
| Dominik Dingel | 7 | 5.98% | 1 | 4.76% |
| Claudio Imbrenda | 7 | 5.98% | 1 | 4.76% |
| Greg Kroah-Hartman | 1 | 0.85% | 1 | 4.76% |
| Gerald Schaefer | 1 | 0.85% | 1 | 4.76% |
| Christian Bornträger | 1 | 0.85% | 1 | 4.76% |
| Total | 117 | 100.00% | 21 | 100.00% |